On Thursday, 30-year-old Terika Clay was charged with first-degree assault and armed criminal action. The worker was treated and released from the hospital.
In a letter to the Missouri Highways and Transportation Commission, Sen. Cindy O'Laughlin said MoDOT's director, Patrick McKenna, should "either resign or be fired."
The district will automatically go to a mask-optional plan on Feb. 7, but leaders said they can call an emergency meeting if conditions require more changes.